. >>> this morning mark zuckerberg is announcing one billion people are now using facebook actively, each month. the announcement if the way of a thank you note he sent out this morning that reads in part: thank you for giving me and my little team the honor of serving you. helping a billionój people connect is amazing hum leng and by far the thing i am most proud of in my life. facebook went public in may, $38, now trading at about $22. at 3:00 on katie the woman behind facebook sits down for a one-on-one interview chief operating identify sheryl sandberg opens up to katie today at 3:00 followed by abc7 news at 4:00. >>> new development in the breaking traffic news we've been following for you all morning. major bart delays folks from the east bay trying to get into san francisco. >> that's not all. >> sue is in the traffic center. new information on the tracks. >>> stalled maintenance vehicle has been cleared off the track between macarthur and 19th in oakland. right now we are experiencing residual delays up to an hour system wide with bart. you may want to make alternate plans.